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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
Upgrade Your Limited Slip Differential for BMW M3, M5, M6 and Z4M
Looking to enhance your BMW's track performance? RacingDiffs has the perfect solution: our Clutch Pack Limited Slip Differential Rebuild Kit! Enjoy smoother driving, improved handling, and eliminate that annoying M-clunk once and for all.
Direct Replacement, No Modifications
Our Clutch Pack Limited Slip Differential Rebuild Kit is a hassle-free upgrade. It directly replaces your stock clutches and requires no modifications. Enjoy easy installation and get your BMW race-ready in no time.
Ideal for Track Enthusiasts
Do you frequently visit the track? This kit is highly recommended for all BMW drivers who enjoy circuit racing. Experience improved lock compared to OEM clutches, protecting your viscous coupling from unnecessary loads and potential failure.
Upgrade to the Advanced Pack
Get even more value with our Advanced Pack, which includes everything from the basic pack PLUS a bearing and oil seal kit. Save 10% on your purchase and get all the necessary components to maximize your BMW's performance.
Solve the Famous Backlash Problem
Almost all factory M3 Limited Slip Differentials (LSDs) suffer from the famous backlash problem on the right driveshaft. Eliminate that annoying clunking sound when engaging first gear and prevent oil leaks on the right side of the differential. Our RacingDiffs backlash elimination washer is the ultimate solution you need.
One-Year Warranty
We stand behind the quality of our product. Enjoy peace of mind with our one-year warranty, ensuring your RacingDiffs Limited Slip Differential Rebuild Kit performs flawlessly.
Not Sure Which Kit is Right for Your Car?
Don't worry, we've got you covered. Send us your VIN number, and we'll verify the correct kit for your BMW. Customer satisfaction is our top priority!
RacingDiffs Recommends Motul Gear Competition 75w140 Oil
To ensure optimal performance, we recommend pairing our kit with Motul Gear Competition 75w140 oil. It's the perfect match for all our products, providing superior lubrication for your differential.
Take your BMW's performance to the next level with the RacingDiffs Clutch Pack Limited Slip Differential (LSD) Rebuild Kit! Say goodbye to the M-clunk and hello to smoother, track-ready driving.










WHY THETUNERLAB
We have spent years building cars, racing, and testing the exact same parts that we sell.
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We test before we recommend.
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We help you choose the right part.
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Only trusted manufacturers.
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Before and after the purchase.
+10 years
of passion for drifting
+30.000
available products
+5.000
satisfied customers
24/7
passion for motoring
Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
You can contact our team via WhatsApp, email, or our website's contact form.
Shipping costs depend on the type of product, its weight, dimensions, and the destination country. In most cases, the amount is calculated automatically during the checkout process before the order is finalized.
For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.